| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.72 | -0.02 |
| Feb | 0.80 | 0.77 | 0.03 |
| Mar | 1.50 | 1.49 | 0.01 |
| Apr | 2.63 | 2.64 | -0.01 |
| May | 3.88 | 3.86 | 0.02 |
| Jun | 4.11 | 4.12 | -0.01 |
| Jul | 4.05 | 3.80 | 0.25 |
| Aug | 3.91 | 3.89 | 0.02 |
| Sep | 3.01 | 3.03 | -0.02 |
| Oct | 2.68 | 2.66 | 0.02 |
| Nov | 1.41 | 1.41 | 0.00 |
| Dec | 0.93 | 0.95 | -0.02 |
29.61 | 29.34 | 0.27 |