| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.38 | -0.01 |
| Feb | 0.66 | 0.61 | 0.05 |
| Mar | 1.09 | 1.19 | -0.10 |
| Apr | 2.51 | 2.55 | -0.04 |
| May | 3.68 | 3.56 | 0.12 |
| Jun | 3.95 | 3.75 | 0.20 |
| Jul | 3.37 | 3.47 | -0.10 |
| Aug | 2.23 | 2.37 | -0.14 |
| Sep | 1.90 | 1.84 | 0.06 |
| Oct | 1.76 | 1.70 | 0.06 |
| Nov | 0.59 | 0.61 | -0.02 |
| Dec | 0.43 | 0.45 | -0.02 |
22.54 | 22.48 | 0.06 |