| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.42 | 5.89 | -0.47 |
| Feb | 5.38 | 5.94 | -0.56 |
| Mar | 3.95 | 4.18 | -0.23 |
| Apr | 1.74 | 2.04 | -0.30 |
| May | 1.04 | 1.14 | -0.10 |
| Jun | 0.23 | 0.26 | -0.03 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.10 | 0.09 | 0.01 |
| Oct | 1.46 | 1.53 | -0.07 |
| Nov | 2.97 | 2.87 | 0.10 |
| Dec | 5.71 | 6.27 | -0.56 |
28.04 | 30.27 | -2.23 |