| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.88 | 1.88 | 0.00 |
| Feb | 1.74 | 1.77 | -0.03 |
| Mar | 2.20 | 2.32 | -0.12 |
| Apr | 3.59 | 3.58 | 0.01 |
| May | 4.59 | 4.48 | 0.11 |
| Jun | 4.44 | 4.48 | -0.04 |
| Jul | 3.85 | 3.95 | -0.10 |
| Aug | 3.79 | 3.76 | 0.03 |
| Sep | 3.29 | 3.37 | -0.08 |
| Oct | 3.09 | 3.18 | -0.09 |
| Nov | 2.46 | 2.49 | -0.03 |
| Dec | 1.95 | 2.03 | -0.08 |
36.87 | 37.29 | -0.42 |