| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.69 | -0.05 |
| Feb | 0.86 | 0.90 | -0.04 |
| Mar | 1.80 | 1.77 | 0.03 |
| Apr | 2.52 | 2.58 | -0.06 |
| May | 2.53 | 2.59 | -0.06 |
| Jun | 1.89 | 1.95 | -0.06 |
| Jul | 2.35 | 2.32 | 0.03 |
| Aug | 2.23 | 2.42 | -0.19 |
| Sep | 1.67 | 1.64 | 0.03 |
| Oct | 1.23 | 1.30 | -0.07 |
| Nov | 0.84 | 0.86 | -0.02 |
| Dec | 0.67 | 0.78 | -0.11 |
19.23 | 19.80 | -0.57 |