| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.17 | -0.02 |
| Feb | 1.13 | 1.12 | 0.01 |
| Mar | 1.93 | 1.93 | 0.00 |
| Apr | 3.95 | 3.85 | 0.10 |
| May | 4.80 | 4.83 | -0.03 |
| Jun | 5.63 | 5.76 | -0.13 |
| Jul | 4.35 | 4.20 | 0.15 |
| Aug | 4.33 | 4.41 | -0.08 |
| Sep | 3.87 | 3.88 | -0.01 |
| Oct | 2.79 | 2.74 | 0.05 |
| Nov | 1.91 | 1.84 | 0.07 |
| Dec | 1.40 | 1.38 | 0.02 |
37.24 | 37.11 | 0.13 |