| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.95 | -0.07 |
| Feb | 1.31 | 1.33 | -0.02 |
| Mar | 2.21 | 2.25 | -0.04 |
| Apr | 3.72 | 3.71 | 0.01 |
| May | 5.30 | 5.20 | 0.10 |
| Jun | 5.19 | 5.46 | -0.27 |
| Jul | 4.66 | 4.62 | 0.04 |
| Aug | 4.25 | 4.23 | 0.02 |
| Sep | 3.49 | 3.41 | 0.08 |
| Oct | 3.00 | 2.87 | 0.13 |
| Nov | 1.95 | 2.11 | -0.16 |
| Dec | 1.46 | 1.42 | 0.04 |
37.42 | 37.56 | -0.14 |