| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.42 | -0.02 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 1.14 | 1.24 | -0.10 |
| Apr | 2.33 | 2.38 | -0.05 |
| May | 3.61 | 3.80 | -0.19 |
| Jun | 3.65 | 3.77 | -0.12 |
| Jul | 3.20 | 3.49 | -0.29 |
| Aug | 2.95 | 3.20 | -0.25 |
| Sep | 1.65 | 1.81 | -0.16 |
| Oct | 1.71 | 1.74 | -0.03 |
| Nov | 0.85 | 0.80 | 0.05 |
| Dec | 0.53 | 0.60 | -0.07 |
22.66 | 23.86 | -1.20 |