| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.80 | -0.13 |
| Feb | 0.78 | 0.86 | -0.08 |
| Mar | 1.48 | 1.53 | -0.05 |
| Apr | 2.63 | 2.80 | -0.17 |
| May | 3.78 | 4.11 | -0.33 |
| Jun | 4.68 | 4.90 | -0.22 |
| Jul | 3.76 | 3.72 | 0.04 |
| Aug | 3.79 | 4.22 | -0.43 |
| Sep | 3.06 | 3.17 | -0.11 |
| Oct | 2.30 | 2.29 | 0.01 |
| Nov | 1.39 | 1.42 | -0.03 |
| Dec | 0.98 | 1.10 | -0.12 |
29.30 | 30.92 | -1.62 |