| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.42 | -0.03 |
| Feb | 0.62 | 0.63 | -0.01 |
| Mar | 1.17 | 1.22 | -0.05 |
| Apr | 2.23 | 2.27 | -0.04 |
| May | 3.51 | 3.58 | -0.07 |
| Jun | 3.49 | 3.49 | 0.00 |
| Jul | 3.66 | 3.67 | -0.01 |
| Aug | 2.97 | 3.08 | -0.11 |
| Sep | 1.71 | 1.76 | -0.05 |
| Oct | 1.80 | 1.85 | -0.05 |
| Nov | 0.84 | 0.86 | -0.02 |
| Dec | 0.57 | 0.63 | -0.06 |
22.96 | 23.46 | -0.50 |