| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.11 | -0.04 |
| Feb | 2.51 | 2.57 | -0.06 |
| Mar | 3.61 | 3.75 | -0.14 |
| Apr | 3.58 | 3.75 | -0.17 |
| May | 4.17 | 4.19 | -0.02 |
| Jun | 4.10 | 4.05 | 0.05 |
| Jul | 4.21 | 4.02 | 0.19 |
| Aug | 3.53 | 3.49 | 0.04 |
| Sep | 4.62 | 4.74 | -0.12 |
| Oct | 3.68 | 3.70 | -0.02 |
| Nov | 3.19 | 3.19 | 0.00 |
| Dec | 3.63 | 3.63 | 0.00 |
43.90 | 44.19 | -0.29 |