| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.05 | 1.03 | 0.02 | 
| Feb | 1.24 | 1.25 | -0.01 | 
| Mar | 2.32 | 2.37 | -0.05 | 
| Apr | 3.26 | 3.27 | -0.01 | 
| May | 4.70 | 4.58 | 0.12 | 
| Jun | 4.19 | 3.98 | 0.21 | 
| Jul | 2.55 | 2.47 | 0.08 | 
| Aug | 3.30 | 3.08 | 0.22 | 
| Sep | 2.87 | 2.78 | 0.09 | 
| Oct | 2.94 | 2.85 | 0.09 | 
| Nov | 1.60 | 1.64 | -0.04 | 
| Dec | 1.46 | 1.32 | 0.14 | 
| 31.48 | 30.62 | 0.86 |