| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.12 | 0.19 |
| Feb | 3.71 | 3.59 | 0.12 |
| Mar | 2.60 | 2.47 | 0.13 |
| Apr | 1.22 | 1.07 | 0.15 |
| May | 0.50 | 0.60 | -0.10 |
| Jun | 0.11 | 0.16 | -0.05 |
| Jul | 0.18 | 0.16 | 0.02 |
| Aug | 0.11 | 0.13 | -0.02 |
| Sep | 0.28 | 0.19 | 0.09 |
| Oct | 0.57 | 0.60 | -0.03 |
| Nov | 1.20 | 1.06 | 0.14 |
| Dec | 2.63 | 2.30 | 0.33 |
16.42 | 15.45 | 0.97 |