| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.50 | 0.20 |
| Feb | 3.10 | 3.05 | 0.05 |
| Mar | 3.90 | 3.72 | 0.18 |
| Apr | 3.87 | 3.75 | 0.12 |
| May | 3.83 | 3.73 | 0.10 |
| Jun | 4.05 | 3.87 | 0.18 |
| Jul | 4.60 | 4.14 | 0.46 |
| Aug | 4.08 | 3.93 | 0.15 |
| Sep | 3.89 | 3.95 | -0.06 |
| Oct | 3.06 | 2.88 | 0.18 |
| Nov | 3.30 | 3.16 | 0.14 |
| Dec | 3.68 | 3.55 | 0.13 |
45.06 | 43.23 | 1.83 |