| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.63 | -0.18 |
| Feb | 2.95 | 3.18 | -0.23 |
| Mar | 3.80 | 3.99 | -0.19 |
| Apr | 3.74 | 3.89 | -0.15 |
| May | 3.63 | 3.45 | 0.18 |
| Jun | 4.02 | 4.02 | 0.00 |
| Jul | 4.39 | 4.20 | 0.19 |
| Aug | 4.06 | 4.40 | -0.34 |
| Sep | 4.04 | 4.08 | -0.04 |
| Oct | 3.15 | 3.11 | 0.04 |
| Nov | 3.24 | 3.32 | -0.08 |
| Dec | 3.43 | 3.57 | -0.14 |
43.90 | 44.84 | -0.94 |