| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.63 | -0.11 |
| Feb | 2.79 | 2.94 | -0.15 |
| Mar | 3.67 | 3.76 | -0.09 |
| Apr | 3.91 | 4.00 | -0.09 |
| May | 4.10 | 4.23 | -0.13 |
| Jun | 4.61 | 4.84 | -0.23 |
| Jul | 4.79 | 4.88 | -0.09 |
| Aug | 4.04 | 4.34 | -0.30 |
| Sep | 4.05 | 4.24 | -0.19 |
| Oct | 3.34 | 3.42 | -0.08 |
| Nov | 3.51 | 3.60 | -0.09 |
| Dec | 3.60 | 3.57 | 0.03 |
45.93 | 47.45 | -1.52 |