| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.92 | -0.15 |
| Feb | 0.80 | 0.89 | -0.09 |
| Mar | 1.60 | 1.68 | -0.08 |
| Apr | 2.88 | 3.08 | -0.20 |
| May | 4.14 | 4.19 | -0.05 |
| Jun | 4.66 | 4.71 | -0.05 |
| Jul | 4.12 | 4.29 | -0.17 |
| Aug | 4.50 | 4.25 | 0.25 |
| Sep | 3.30 | 3.34 | -0.04 |
| Oct | 2.80 | 2.90 | -0.10 |
| Nov | 1.62 | 1.67 | -0.05 |
| Dec | 1.10 | 1.29 | -0.19 |
32.29 | 33.21 | -0.92 |