| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.42 | 4.55 | -0.13 |
| Feb | 4.43 | 4.65 | -0.22 |
| Mar | 3.30 | 3.51 | -0.21 |
| Apr | 1.57 | 1.80 | -0.23 |
| May | 0.71 | 0.80 | -0.09 |
| Jun | 0.15 | 0.17 | -0.02 |
| Jul | 0.00 | 0.01 | -0.01 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.09 | 0.11 | -0.02 |
| Oct | 1.04 | 1.08 | -0.04 |
| Nov | 2.44 | 2.54 | -0.10 |
| Dec | 4.66 | 4.78 | -0.12 |
22.84 | 24.05 | -1.21 |