| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.33 | -0.19 |
| Feb | 2.83 | 2.95 | -0.12 |
| Mar | 3.77 | 3.92 | -0.15 |
| Apr | 4.37 | 4.54 | -0.17 |
| May | 4.77 | 4.93 | -0.16 |
| Jun | 4.61 | 4.51 | 0.10 |
| Jul | 4.17 | 4.20 | -0.03 |
| Aug | 3.39 | 3.34 | 0.05 |
| Sep | 3.08 | 3.15 | -0.07 |
| Oct | 3.14 | 3.19 | -0.05 |
| Nov | 2.99 | 3.16 | -0.17 |
| Dec | 3.37 | 3.52 | -0.15 |
43.63 | 44.74 | -1.11 |