| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.57 | 0.06 |
| Feb | 0.75 | 0.69 | 0.06 |
| Mar | 1.56 | 1.38 | 0.18 |
| Apr | 2.39 | 2.34 | 0.05 |
| May | 2.60 | 2.49 | 0.11 |
| Jun | 1.78 | 1.68 | 0.10 |
| Jul | 1.81 | 1.65 | 0.16 |
| Aug | 1.74 | 1.70 | 0.04 |
| Sep | 1.39 | 1.38 | 0.01 |
| Oct | 1.20 | 1.18 | 0.02 |
| Nov | 0.91 | 0.86 | 0.05 |
| Dec | 0.60 | 0.58 | 0.02 |
17.36 | 16.50 | 0.86 |