| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.48 | -0.06 |
| Feb | 2.13 | 2.20 | -0.07 |
| Mar | 3.16 | 3.09 | 0.07 |
| Apr | 4.71 | 4.64 | 0.07 |
| May | 4.78 | 4.97 | -0.19 |
| Jun | 4.29 | 4.19 | 0.10 |
| Jul | 3.95 | 3.94 | 0.01 |
| Aug | 3.32 | 3.38 | -0.06 |
| Sep | 3.23 | 3.30 | -0.07 |
| Oct | 3.24 | 3.18 | 0.06 |
| Nov | 3.34 | 3.45 | -0.11 |
| Dec | 2.41 | 2.56 | -0.15 |
40.98 | 41.38 | -0.40 |