| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.15 | -0.18 |
| Feb | 2.34 | 2.51 | -0.17 |
| Mar | 3.32 | 3.36 | -0.04 |
| Apr | 4.73 | 4.88 | -0.15 |
| May | 4.42 | 4.68 | -0.26 |
| Jun | 4.95 | 5.03 | -0.08 |
| Jul | 4.10 | 4.29 | -0.19 |
| Aug | 3.13 | 3.04 | 0.09 |
| Sep | 3.07 | 3.15 | -0.08 |
| Oct | 3.54 | 3.73 | -0.19 |
| Nov | 3.51 | 3.70 | -0.19 |
| Dec | 2.85 | 2.98 | -0.13 |
42.93 | 44.50 | -1.57 |