| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.34 | 0.16 |
| Feb | 1.96 | 1.83 | 0.13 |
| Mar | 3.04 | 2.56 | 0.48 |
| Apr | 2.56 | 2.63 | -0.07 |
| May | 3.99 | 4.05 | -0.06 |
| Jun | 3.86 | 3.78 | 0.08 |
| Jul | 2.94 | 2.97 | -0.03 |
| Aug | 2.89 | 2.86 | 0.03 |
| Sep | 4.50 | 4.38 | 0.12 |
| Oct | 3.55 | 3.49 | 0.06 |
| Nov | 2.63 | 2.49 | 0.14 |
| Dec | 2.15 | 2.24 | -0.09 |
36.57 | 35.62 | 0.95 |