| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.47 | 0.00 |
| Feb | 0.65 | 0.65 | 0.00 |
| Mar | 1.22 | 1.27 | -0.05 |
| Apr | 1.85 | 1.88 | -0.03 |
| May | 3.25 | 3.29 | -0.04 |
| Jun | 2.95 | 2.83 | 0.12 |
| Jul | 3.30 | 3.56 | -0.26 |
| Aug | 2.85 | 2.94 | -0.09 |
| Sep | 1.68 | 1.74 | -0.06 |
| Oct | 1.58 | 1.56 | 0.02 |
| Nov | 0.71 | 0.70 | 0.01 |
| Dec | 0.68 | 0.74 | -0.06 |
21.19 | 21.63 | -0.44 |