| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.90 | -0.01 |
| Feb | 1.40 | 1.41 | -0.01 |
| Mar | 2.41 | 2.40 | 0.01 |
| Apr | 3.47 | 3.56 | -0.09 |
| May | 5.27 | 5.17 | 0.10 |
| Jun | 4.61 | 4.74 | -0.13 |
| Jul | 4.15 | 4.19 | -0.04 |
| Aug | 3.87 | 3.84 | 0.03 |
| Sep | 3.53 | 3.48 | 0.05 |
| Oct | 2.97 | 3.02 | -0.05 |
| Nov | 1.96 | 2.02 | -0.06 |
| Dec | 1.40 | 1.46 | -0.06 |
35.93 | 36.19 | -0.26 |