151
12
1
1
1917
1
1
1917
6
Bitterly cold. Heavy storms and snow. No Service flying
0
Heavy
Heavy
EOR
2
1
1917
2
1
1917
6
Bitterly cold, snow storms will restrict operations
1
Heavy
Heavy
EOR
3
1
1917
3
1
1917
6
Bitter cold continues, with more snow. No Service flying
0
Heavy
Heavy
EOR
4
1
1917
22
1
1917
6
Bitterly cold. Clouds, fog, and snow will hamper artillery cooperation for several days
1
Heavy
Heavy
EOR
23
1
1917
3
2
1917
1
Finally, a break in the weather! Sunny and clear period ahead, but still bitterly cold
1
None
None
EOR
4
2
1917
5
2
1917
6
Bitterly cold. Clouds, fog, snow will hamper artillery cooperation
1
Heavy
Heavy
EOR
6
2
1917
10
2
1917
1
Still bitterly cold, but sunny and clear. Some light fog in spots
1
None
Light
EOR
11
2
1917
11
2
1917
6
Heavy clouds, fog, and snow will hamper artillery cooperation
1
Heavy
Heavy
EOR
12
2
1917
12
2
1917
6
Heavy clouds, fog, and snow restrict operations
0
Heavy
Heavy
EOR
13
2
1917
14
2
1917
1
Cold. Sunny and clear
1
None
Medium
EOR
15
2
1917
17
2
1917
6
Low clouds, drizzle, mist
1
Light
Medium
EOR
18
2
1917
24
2
1917
6
Heavy clouds, rain, snow, and fog cancel most operations
1
Heavy
Light
EOR
25
2
1917
27
2
1917
6
Heavy clouds and rain will hamper artillery cooperation
1
Heavy
None
EOR
28
2
1917
28
2
1917
6
Heavy clouds, fog, rain. No Service flying
0
Heavy
None
EOR
1
3
1917
4
3
1917
6
Heavy clouds, fog, rain hamper artillery cooperation
1
Heavy
None
EOR
5
3
1917
5
3
1917
6
Thick clouds, with heavy snow. No Service flying
0
Heavy
Heavy
EOR
6
3
1917
6
3
1917
6
Heavy clouds, fog, rain
1
Heavy
Light
EOR
7
3
1917
8
3
1917
6
Heavy clouds, gales, rain cancel operations
0
Heavy
None
EOR
9
3
1917
9
3
1917
4
Thunderheads, a few sunny breaks
1
None
None
EOR
10
3
1917
10
3
1917
6
Heavy clouds, rain cancel operations
0
Heavy
None
EOR
11
3
1917
11
3
1917
5
Towering cumulus, sunny breaks
2
None
None
EOR
12
3
1917
14
3
1917
6
Heavy clouds, wind, rain hamper artillery cooperation
1
Heavy
None
EOR
15
3
1917
17
3
1917
3
Towering cumulus, thunderheads, some sunny breaks
1
None
None
EOR
18
3
1917
19
3
1917
5
Cumulonimbus clouds and high winds for the next few days
1
None
None
EOR
20
3
1917
20
3
1917
6
Heavy clouds, high winds, and rain cancel all operations today
0
Heavy
None
EOR
21
3
1917
22
3
1917
6
More heavy clouds, fog, snow
1
Heavy
Medium
EOR
23
3
1917
26
3
1917
3
Towering cumulus clouds, some sunny breaks for the next few days
1
None
Light
EOR
27
3
1917
27
3
1917
6
Heavy cloud cover, snowstorms cancel operations
0
Heavy
Medium
EOR
28
3
1917
29
3
1917
6
Heavy clouds, wind, rain continue to hamper artillery cooperation
1
Heavy
None
EOR
30
3
1917
1
4
1917
6
Thunderstorms, wind, rain hamper artillery cooperation
1
Heavy
None
EOR
2
4
1917
2
4
1917
6
Towering cumulus, snowstorms, a few sunny breaks
2
Light
Light
EOR
3
4
1917
6
4
1917
6
Heavy clouds, snow, wind, rain hamper artillery cooperation
1
Heavy
Light
EOR
7
4
1917
8
4
1917
5
Variably cloudy, with windy conditions
2
None
None
EOR
9
4
1917
10
4
1917
6
Heavy clouds, high winds, chance of snow
1
Heavy
Medium
EOR
11
4
1917
11
4
1917
6
Windy, with the possibility of afternoon snow
2
Light
Light
EOR
12
4
1917
12
4
1917
6
Heavy clouds, snow, and wind will make this an ugly flying day
1
Heavy
Medium
EOR
13
4
1917
13
4
1917
3
Massive cumulus formations may interfere with sighting the enemy. Be on your guard at all times
2
None
Light
EOR
14
4
1917
14
4
1917
6
Rain and snow showers at times
1
Medium
Light
EOR
15
4
1917
16
4
1917
3
Towering cumulus, sunny breaks
3
None
Light
EOR
17
4
1917
19
4
1917
6
Thunderstorms, wind, and rain likely to cancel operations
0
Heavy
None
EOR
20
4
1917
24
4
1917
3
Partly to mostly cloudy
2
None
None
EOR
25
4
1917
28
4
1917
5
Variably cloudy
1
None
None
EOR
29
4
1917
1
5
1917
5
Cumulonimbus, sunny breaks
1
None
None
EOR
2
5
1917
6
5
1917
1
Hot, clear blue skies, high winds
1
None
None
EOR
7
5
1917
7
5
1917
3
Towering cumulus, mist, sunny breaks, scattered clouds
2
None
None
EOR
8
5
1917
15
5
1917
2
Very hot, hazy. High overcast
2
None
None
EOR
16
5
1917
17
5
1917
6
Thunderstorms, wind, rain severely restrict operations
1
Heavy
None
EOR
18
5
1917
18
5
1917
2
Good flying conditions, some passing clouds
2
None
None
EOR
19
5
1917
19
5
1917
3
Becoming cloudy, rain arriving this evening
1
None
None
EOR
20
5
1917
20
5
1917
6
Steady rain all day limits flying
1
Medium
None
EOR
21
5
1917
21
5
1917
4
Dull weather, solid clouds
1
None
None
EOR
22
5
1917
24
5
1917
6
Rain for the next few days will severely restrict most operations
1
Heavy
None
EOR
25
5
1917
28
5
1917
1
Period of hot, dry weather. Few clouds
2
None
None
EOR
29
5
1917
29
5
1917
5
Slightly cooler and windy, with variably cloudy conditions
2
None
None
EOR
30
5
1917
30
5
1917
4
Low clouds, hot
1
None
None
EOR
31
5
1917
2
6
1917
2
Broken clouds, still warm
2
None
None
EOR
3
6
1917
3
6
1917
5
Variably cloudy and windy
1
None
None
EOR
4
6
1917
5
6
1917
2
Widely scattered clouds
2
None
None
EOR
6
6
1917
6
6
1917
6
Scattered heavy rain showers
1
Heavy
None
EOR
7
6
1917
9
6
1917
3
Warm period, some passing clouds
3
None
None
EOR
10
6
1917
10
6
1917
5
Variably cloudy, storms arriving late
2
None
None
EOR
11
6
1917
11
6
1917
3
Mostly calm day
3
None
None
EOR
12
6
1917
12
6
1917
6
Rainy most of the day, some improvement later
2
Light
None
EOR
13
6
1917
14
6
1917
2
Fine weather for flying. Keep a lookout for the enemy at all times
2
None
None
EOR
15
6
1917
15
6
1917
6
Rainy and unusually warm
1
Medium
None
EOR
16
6
1917
18
6
1917
1
Clear weather, very hot
1
None
None
EOR
19
6
1917
22
6
1917
6
Rain and some thunderstorms arriving, with mostly cloudy skies and only a few sunny breaks
1
Medium
None
EOR
23
6
1917
26
6
1917
3
Partly to mostly cloudy, with some sunny periods
2
None
None
EOR
27
6
1917
29
6
1917
1
Mostly sunny and clear weather for flying next few days
2
None
None
EOR
30
6
1917
1
7
1917
6
A thoroughly miserable day today and likely tomorrow
1
Medium
None
EOR
2
7
1917
3
7
1917
2
Mostly sunny, with towering cumulus clouds
2
None
None
EOR
4
7
1917
5
7
1917
6
Unsettled, with intermittent rain
1
Medium
None
EOR
6
7
1917
7
7
1917
2
Sunny, scattered clouds
1
None
None
EOR
8
7
1917
8
7
1917
6
Heavy thunderstorms, overcast
1
Medium
None
EOR
9
7
1917
9
7
1917
6
Thunderstorms, wind, rain cancel operations
0
Heavy
None
EOR
10
7
1917
13
7
1917
2
Sunny, scattered clouds for the next few days
3
None
None
EOR
14
7
1917
18
7
1917
6
Severe thunderstorms moving in and lasting a few days
1
Medium
None
EOR
19
7
1917
19
7
1917
6
Thunderstorms, wind, rain restrict operations
0
Heavy
None
EOR
20
7
1917
24
7
1917
2
Extremely hot and hazy the next few days, with some clouds
2
None
None
EOR
25
7
1917
25
7
1917
6
Intermittent rain showers
1
Light
None
EOR
26
7
1917
30
7
1917
5
Mostly sunny, with towering cumulus clouds and windy for the next few days
2
None
None
EOR
31
7
1917
31
7
1917
6
Cloudy and rainy
1
Medium
None
EOR
1
8
1917
3
8
1917
6
Heavy rain squalls and very strong winds. No flying likely
0
Heavy
None
EOR
4
8
1917
4
8
1917
6
Thunderstorms, wind, rain continue to restrict operations
1
Heavy
None
EOR
5
8
1917
8
8
1917
2
Extended hot and dry period likely, hazy
3
None
None
EOR
9
8
1917
10
8
1917
2
Hot and hazy conditions
2
None
None
EOR
11
8
1917
13
8
1917
1
Mostly sunny and hot
3
None
None
EOR
14
8
1917
14
8
1917
3
Becoming cloudy, still warm
2
None
None
EOR
15
8
1917
15
8
1917
6
Strong thunderstorms likely today
1
Medium
None
EOR
16
8
1917
17
8
1917
3
Partly to mostly cloudy, with some sunny periods
2
None
None
EOR
18
8
1917
21
8
1917
6
Cloudy and hazy the next few days, with scattered thundershowers
1
Light
None
EOR
22
8
1917
23
8
1917
5
Hot, hazy, and variably cloudy
2
None
None
EOR
24
8
1917
24
8
1917
6
Thunderstorms, wind, rain restrict operations
0
Heavy
None
EOR
25
8
1917
27
8
1917
5
Hot, hazy, and windy
1
None
None
EOR
28
8
1917
29
8
1917
6
Thunderstorms, high wind, rain restrict operations
0
Heavy
None
EOR
30
8
1917
31
8
1917
5
Hot, hazy, and windy today
2
None
None
EOR
1
9
1917
3
9
1917
6
Thunderstorms, wind, and rain likely to hamper artillery cooperation
1
Heavy
None
EOR
4
9
1917
4
9
1917
2
Sunny today, with towering cumulus clouds. Poor weather moving in tomorrow
1
None
None
EOR
5
9
1917
7
9
1917
6
Thunderstorms, wind, and rain likely to hamper artillery cooperation for the forseeable future
1
Heavy
None
EOR
8
9
1917
8
9
1917
6
Heavy clouds, wind, rain, and mist will cancel operations today
0
Heavy
None
EOR
9
9
1917
13
9
1917
4
Heavy mist and low clouds continue to interfere with artillery cooperation
0
None
None
EOR
14
9
1917
16
9
1917
6
Sorry boys! Intermittent rain and low clouds to continue. Windy
1
Light
None
EOR
17
9
1917
20
9
1917
6
More storms, with high wind and rain
0
Heavy
None
EOR
21
9
1917
24
9
1917
5
Thick broken clouds, high winds. Rain ending, however
2
None
None
EOR
25
9
1917
29
9
1917
4
Thick broken clouds, mist
1
None
Light
EOR
30
9
1917
2
10
1917
2
Sunny for a few days, with high scattered clouds
3
None
None
EOR
3
10
1917
10
10
1917
6
Thick low clouds, high wind and rain likely to hamper artillery cooperation for an extended period
1
Heavy
None
EOR
11
10
1917
11
10
1917
4
Heavy cumulonimbus clouds, high winds
1
None
None
EOR
12
10
1917
13
10
1917
6
Thick low clouds, high wind, rain hamper artillery cooperation
1
Heavy
None
EOR
14
10
1917
18
10
1917
3
Cold, but sunny, with towering cumulus clouds
1
None
None
EOR
19
10
1917
19
10
1917
6
Thick low clouds and mist will prevent much work being done
1
Light
Light
EOR
20
10
1917
21
10
1917
3
Sunny, towering cumulus clouds. Low haze may hamper artillery cooperation
1
None
None
EOR
22
10
1917
23
10
1917
6
Rain and thick mist likely to prevent much work being done
1
Heavy
Light
EOR
24
10
1917
24
10
1917
6
Strong winds, very thick mist
1
Light
Light
EOR
25
10
1917
25
10
1917
6
Rain and violent gales prevent much flying
1
Heavy
None
EOR
26
10
1917
26
10
1917
6
Storms, heavy cloud cover, strong Easterlies
1
Medium
None
EOR
27
10
1917
29
10
1917
5
Thick low clouds, strong winds
1
None
None
EOR
30
10
1917
30
10
1917
6
Cold and rainy - not much work done today, I'm afraid
1
Heavy
Light
EOR
31
10
1917
31
10
1917
5
Some sun. Scattered clouds, low mist may hamper close support
2
None
None
EOR
1
11
1917
1
11
1917
6
Rain and heavy mist over the battlefield
1
Medium
Light
EOR
2
11
1917
2
11
1917
6
Rain and thick mist prevent almost all operations
0
Heavy
Light
EOR
3
11
1917
3
11
1917
6
Rain and thick mist prevents much Service flying
1
Heavy
Light
EOR
4
11
1917
5
11
1917
1
Sunny, cloudless skies today and tomorrow
2
None
None
EOR
6
11
1917
11
11
1917
6
Turning noticeably colder, with gale force winds. Squalls, heavy clouds for the next several days
1
Heavy
None
EOR
12
11
1917
12
11
1917
1
Cold, with mostly sunny skies
2
None
None
EOR
13
11
1917
14
11
1917
6
Heavy clouds, mist restrict operations
1
Light
Light
EOR
15
11
1917
15
11
1917
5
High winds, variably cloudy
2
None
None
EOR
16
11
1917
20
11
1917
4
Low clouds and mist will prevent most flying for a few days
1
None
Light
EOR
21
11
1917
25
11
1917
6
Cold, gale force winds. Low clouds over the battlefield for awhile
1
Heavy
None
EOR
26
11
1917
28
11
1917
6
Low clouds, showers. Strong winds
2
Light
None
EOR
29
11
1917
1
12
1917
5
Variably cloudy, with windy conditions
1
None
None
EOR
2
12
1917
3
12
1917
5
Slowly clearing skies, but very cold. Brisk winds
1
None
None
EOR
4
12
1917
4
12
1917
6
Snow, thick ground mist
1
Light
Medium
EOR
5
12
1917
6
12
1917
1
Cold. Bright blue skies. West wind
1
None
Medium
EOR
7
12
1917
8
12
1917
3
Thick cumulus clouds, dry early, with rain and mist moving in later
1
None
Light
EOR
9
12
1917
9
12
1917
6
Thick mist, rain prevent operations
0
Light
Light
EOR
10
12
1917
12
12
1917
6
Thick mist continues
1
Light
None
EOR
13
12
1917
14
12
1917
6
Thick ground mist, low clouds, and rain restrict operations
1
Medium
None
EOR
15
12
1917
15
12
1917
6
Thick ground mist, broken clouds, snow showers
1
Light
Light
EOR
16
12
1917
16
12
1917
6
Snow and fog moving in
1
Light
Medium
EOR
17
12
1917
17
12
1917
6
Heavy snow likely
1
Heavy
Heavy
EOR
18
12
1917
19
12
1917
4
Low clouds and fog. Cold
1
None
Heavy
EOR
20
12
1917
21
12
1917
4
Impenetrable fog, low clouds prevent all operations
0
None
Heavy
EOR
22
12
1917
23
12
1917
4
Thick low clouds continue
1
None
Medium
EOR
24
12
1917
24
12
1917
6
Thick mist and drizzle all day
1
Light
Light
EOR
25
12
1917
25
12
1917
6
Christmas Day is here, with heavy snow, possibly a blizzard. Little Service flying
1
Heavy
Heavy
EOR
26
12
1917
27
12
1917
6
Snow storms and high winds continue. Flying may be difficult
1
Heavy
Heavy
EOR
28
12
1917
28
12
1917
4
More solid clouds, fog
1
None
Heavy
EOR
29
12
1917
29
12
1917
4
Low clouds, mist
1
None
Heavy
EOR
30
12
1917
30
12
1917
6
Snow, solid overcast prevent Service flying
0
Heavy
Heavy
EOR
31
12
1917
31
12
1917
6
Low clouds, snow, and mist continue to restrict Service flying
1
Light
Heavy
EOR