| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.98 | -0.17 |
| Feb | 0.80 | 0.95 | -0.15 |
| Mar | 1.65 | 1.77 | -0.12 |
| Apr | 2.94 | 3.09 | -0.15 |
| May | 4.18 | 4.23 | -0.05 |
| Jun | 4.73 | 4.93 | -0.20 |
| Jul | 4.25 | 4.20 | 0.05 |
| Aug | 4.61 | 4.39 | 0.22 |
| Sep | 3.40 | 3.30 | 0.10 |
| Oct | 2.74 | 2.91 | -0.17 |
| Nov | 1.60 | 1.74 | -0.14 |
| Dec | 1.17 | 1.35 | -0.18 |
32.88 | 33.84 | -0.96 |