| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.53 | -0.06 |
| Feb | 1.78 | 1.90 | -0.12 |
| Mar | 1.96 | 2.12 | -0.16 |
| Apr | 1.51 | 1.67 | -0.16 |
| May | 1.33 | 1.52 | -0.19 |
| Jun | 1.11 | 1.34 | -0.23 |
| Jul | 0.57 | 0.67 | -0.10 |
| Aug | 0.60 | 0.66 | -0.06 |
| Sep | 0.98 | 1.00 | -0.02 |
| Oct | 1.89 | 1.85 | 0.04 |
| Nov | 3.14 | 3.13 | 0.01 |
| Dec | 2.89 | 2.94 | -0.05 |
20.23 | 21.33 | -1.10 |