| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.58 | 0.02 |
| Feb | 0.59 | 0.59 | 0.00 |
| Mar | 0.90 | 0.90 | 0.00 |
| Apr | 1.81 | 1.83 | -0.02 |
| May | 3.02 | 3.15 | -0.13 |
| Jun | 3.93 | 4.11 | -0.18 |
| Jul | 3.88 | 3.82 | 0.06 |
| Aug | 2.50 | 2.39 | 0.11 |
| Sep | 2.48 | 2.57 | -0.09 |
| Oct | 2.20 | 2.16 | 0.04 |
| Nov | 0.73 | 0.74 | -0.01 |
| Dec | 0.65 | 0.65 | 0.00 |
23.29 | 23.49 | -0.20 |