| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.92 | -0.08 |
| Feb | 1.21 | 1.31 | -0.10 |
| Mar | 2.18 | 2.22 | -0.04 |
| Apr | 3.62 | 3.68 | -0.06 |
| May | 4.97 | 5.09 | -0.12 |
| Jun | 4.68 | 4.81 | -0.13 |
| Jul | 5.15 | 5.02 | 0.13 |
| Aug | 3.87 | 3.90 | -0.03 |
| Sep | 3.51 | 3.48 | 0.03 |
| Oct | 2.99 | 3.03 | -0.04 |
| Nov | 1.93 | 1.91 | 0.02 |
| Dec | 1.40 | 1.51 | -0.11 |
36.35 | 36.88 | -0.53 |