| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.65 | -0.18 |
| Feb | 1.97 | 2.09 | -0.12 |
| Mar | 2.33 | 2.36 | -0.03 |
| Apr | 3.71 | 3.71 | 0.00 |
| May | 3.80 | 3.98 | -0.18 |
| Jun | 3.61 | 3.60 | 0.01 |
| Jul | 3.23 | 3.19 | 0.04 |
| Aug | 3.27 | 3.35 | -0.08 |
| Sep | 3.11 | 3.14 | -0.03 |
| Oct | 3.90 | 3.82 | 0.08 |
| Nov | 3.07 | 3.18 | -0.11 |
| Dec | 2.43 | 2.60 | -0.17 |
36.90 | 37.67 | -0.77 |