| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.02 | 0.02 |
| Feb | 2.40 | 2.29 | 0.11 |
| Mar | 3.14 | 3.08 | 0.06 |
| Apr | 3.90 | 3.83 | 0.07 |
| May | 3.94 | 3.88 | 0.06 |
| Jun | 4.55 | 4.35 | 0.20 |
| Jul | 4.44 | 4.39 | 0.05 |
| Aug | 3.77 | 3.64 | 0.13 |
| Sep | 3.98 | 3.96 | 0.02 |
| Oct | 3.63 | 3.48 | 0.15 |
| Nov | 3.13 | 3.04 | 0.09 |
| Dec | 3.18 | 3.11 | 0.07 |
43.10 | 42.07 | 1.03 |