| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.81 | -0.14 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.48 | 1.53 | -0.05 |
| Apr | 2.63 | 2.80 | -0.17 |
| May | 3.78 | 4.10 | -0.32 |
| Jun | 4.68 | 4.91 | -0.23 |
| Jul | 3.76 | 3.72 | 0.04 |
| Aug | 3.79 | 4.21 | -0.42 |
| Sep | 3.06 | 3.18 | -0.12 |
| Oct | 2.30 | 2.29 | 0.01 |
| Nov | 1.39 | 1.42 | -0.03 |
| Dec | 0.98 | 1.11 | -0.13 |
29.30 | 30.95 | -1.65 |