| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.80 | -0.09 |
| Feb | 0.76 | 0.87 | -0.11 |
| Mar | 1.51 | 1.49 | 0.02 |
| Apr | 2.90 | 2.87 | 0.03 |
| May | 4.14 | 4.27 | -0.13 |
| Jun | 4.65 | 4.55 | 0.10 |
| Jul | 3.98 | 3.99 | -0.01 |
| Aug | 4.18 | 4.26 | -0.08 |
| Sep | 3.38 | 3.23 | 0.15 |
| Oct | 2.60 | 2.56 | 0.04 |
| Nov | 1.47 | 1.51 | -0.04 |
| Dec | 1.05 | 1.17 | -0.12 |
31.33 | 31.57 | -0.24 |