| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.74 | -0.06 |
| Feb | 0.81 | 0.85 | -0.04 |
| Mar | 1.57 | 1.53 | 0.04 |
| Apr | 3.01 | 3.04 | -0.03 |
| May | 4.17 | 4.02 | 0.15 |
| Jun | 4.84 | 4.81 | 0.03 |
| Jul | 3.59 | 3.71 | -0.12 |
| Aug | 3.53 | 3.58 | -0.05 |
| Sep | 3.20 | 3.24 | -0.04 |
| Oct | 2.42 | 2.29 | 0.13 |
| Nov | 1.34 | 1.32 | 0.02 |
| Dec | 0.86 | 1.01 | -0.15 |
30.02 | 30.14 | -0.12 |