| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.50 | -0.01 |
| Feb | 0.69 | 0.66 | 0.03 |
| Mar | 1.41 | 1.49 | -0.08 |
| Apr | 2.53 | 2.59 | -0.06 |
| May | 4.03 | 4.20 | -0.17 |
| Jun | 3.72 | 3.71 | 0.01 |
| Jul | 3.72 | 3.88 | -0.16 |
| Aug | 3.21 | 3.30 | -0.09 |
| Sep | 1.93 | 1.97 | -0.04 |
| Oct | 1.94 | 1.96 | -0.02 |
| Nov | 0.95 | 0.94 | 0.01 |
| Dec | 0.64 | 0.70 | -0.06 |
25.26 | 25.90 | -0.64 |