| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.47 | 5.05 | -0.58 |
| Feb | 4.41 | 5.12 | -0.71 |
| Mar | 3.43 | 3.81 | -0.38 |
| Apr | 1.60 | 1.95 | -0.35 |
| May | 0.68 | 0.73 | -0.05 |
| Jun | 0.16 | 0.19 | -0.03 |
| Jul | 0.01 | 0.03 | -0.02 |
| Aug | 0.03 | 0.06 | -0.03 |
| Sep | 0.09 | 0.09 | 0.00 |
| Oct | 0.98 | 1.14 | -0.16 |
| Nov | 2.24 | 2.41 | -0.17 |
| Dec | 4.47 | 5.41 | -0.94 |
22.57 | 25.99 | -3.42 |