| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.71 | -0.01 |
| Feb | 0.89 | 0.89 | 0.00 |
| Mar | 1.73 | 1.77 | -0.04 |
| Apr | 2.19 | 2.33 | -0.14 |
| May | 3.72 | 4.28 | -0.56 |
| Jun | 3.57 | 3.88 | -0.31 |
| Jul | 3.41 | 3.65 | -0.24 |
| Aug | 3.32 | 3.40 | -0.08 |
| Sep | 1.90 | 1.88 | 0.02 |
| Oct | 2.11 | 2.20 | -0.09 |
| Nov | 1.02 | 1.00 | 0.02 |
| Dec | 0.96 | 0.98 | -0.02 |
25.52 | 26.97 | -1.45 |