| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.53 | 0.02 |
| Feb | 1.59 | 1.56 | 0.03 |
| Mar | 2.05 | 2.09 | -0.04 |
| Apr | 3.56 | 3.66 | -0.10 |
| May | 4.25 | 4.12 | 0.13 |
| Jun | 5.28 | 5.30 | -0.02 |
| Jul | 3.88 | 3.76 | 0.12 |
| Aug | 4.13 | 4.05 | 0.08 |
| Sep | 3.68 | 3.67 | 0.01 |
| Oct | 2.87 | 2.90 | -0.03 |
| Nov | 2.32 | 2.29 | 0.03 |
| Dec | 1.87 | 1.90 | -0.03 |
37.03 | 36.83 | 0.20 |