| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.48 | -0.01 |
| Feb | 1.16 | 1.17 | -0.01 |
| Mar | 1.86 | 1.84 | 0.02 |
| Apr | 3.02 | 3.11 | -0.09 |
| May | 3.54 | 3.50 | 0.04 |
| Jun | 4.03 | 4.12 | -0.09 |
| Jul | 3.72 | 3.71 | 0.01 |
| Aug | 3.42 | 3.42 | 0.00 |
| Sep | 3.42 | 3.22 | 0.20 |
| Oct | 2.90 | 2.77 | 0.13 |
| Nov | 2.04 | 1.95 | 0.09 |
| Dec | 1.74 | 1.69 | 0.05 |
32.32 | 31.98 | 0.34 |