| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.92 | 0.05 |
| Feb | 1.39 | 1.35 | 0.04 |
| Mar | 2.20 | 2.23 | -0.03 |
| Apr | 3.87 | 3.88 | -0.01 |
| May | 5.37 | 5.47 | -0.10 |
| Jun | 5.41 | 5.48 | -0.07 |
| Jul | 4.61 | 4.58 | 0.03 |
| Aug | 3.88 | 3.93 | -0.05 |
| Sep | 3.78 | 3.80 | -0.02 |
| Oct | 2.84 | 3.03 | -0.19 |
| Nov | 1.97 | 1.87 | 0.10 |
| Dec | 1.52 | 1.41 | 0.11 |
37.81 | 37.95 | -0.14 |