| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.80 | -0.14 |
| Feb | 1.57 | 1.72 | -0.15 |
| Mar | 2.06 | 2.14 | -0.08 |
| Apr | 3.70 | 3.89 | -0.19 |
| May | 3.71 | 3.78 | -0.07 |
| Jun | 4.17 | 4.34 | -0.17 |
| Jul | 3.30 | 3.42 | -0.12 |
| Aug | 3.59 | 3.53 | 0.06 |
| Sep | 3.26 | 3.12 | 0.14 |
| Oct | 2.90 | 3.03 | -0.13 |
| Nov | 2.20 | 2.24 | -0.04 |
| Dec | 1.90 | 1.94 | -0.04 |
34.02 | 34.95 | -0.93 |