| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.72 | -0.19 |
| Feb | 2.12 | 2.32 | -0.20 |
| Mar | 2.93 | 3.02 | -0.09 |
| Apr | 4.62 | 4.83 | -0.21 |
| May | 4.33 | 4.39 | -0.06 |
| Jun | 4.90 | 4.96 | -0.06 |
| Jul | 4.16 | 4.16 | 0.00 |
| Aug | 2.86 | 2.78 | 0.08 |
| Sep | 3.03 | 2.98 | 0.05 |
| Oct | 3.57 | 3.62 | -0.05 |
| Nov | 3.51 | 3.70 | -0.19 |
| Dec | 2.49 | 2.71 | -0.22 |
41.05 | 42.19 | -1.14 |