| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.49 | 0.01 |
| Feb | 0.64 | 0.65 | -0.01 |
| Mar | 0.77 | 0.83 | -0.06 |
| Apr | 1.65 | 1.74 | -0.09 |
| May | 2.83 | 2.90 | -0.07 |
| Jun | 2.67 | 2.66 | 0.01 |
| Jul | 2.42 | 2.45 | -0.03 |
| Aug | 1.68 | 1.87 | -0.19 |
| Sep | 1.16 | 1.12 | 0.04 |
| Oct | 1.27 | 1.32 | -0.05 |
| Nov | 0.59 | 0.60 | -0.01 |
| Dec | 0.54 | 0.53 | 0.01 |
16.72 | 17.16 | -0.44 |