| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 3.02 | -0.39 |
| Feb | 2.48 | 2.62 | -0.14 |
| Mar | 2.87 | 3.14 | -0.27 |
| Apr | 3.25 | 3.71 | -0.46 |
| May | 3.65 | 3.95 | -0.30 |
| Jun | 4.60 | 4.59 | 0.01 |
| Jul | 4.50 | 4.75 | -0.25 |
| Aug | 4.05 | 4.04 | 0.01 |
| Sep | 3.49 | 3.60 | -0.11 |
| Oct | 4.18 | 4.54 | -0.36 |
| Nov | 3.13 | 3.45 | -0.32 |
| Dec | 3.28 | 3.74 | -0.46 |
42.11 | 45.15 | -3.04 |