| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.76 | -0.34 |
| Feb | 3.17 | 3.35 | -0.18 |
| Mar | 4.52 | 4.60 | -0.08 |
| Apr | 3.99 | 4.12 | -0.13 |
| May | 3.30 | 3.39 | -0.09 |
| Jun | 3.96 | 3.75 | 0.21 |
| Jul | 3.07 | 3.02 | 0.05 |
| Aug | 3.70 | 3.68 | 0.02 |
| Sep | 3.74 | 3.63 | 0.11 |
| Oct | 4.26 | 4.42 | -0.16 |
| Nov | 3.58 | 3.61 | -0.03 |
| Dec | 4.61 | 4.59 | 0.02 |
45.32 | 45.92 | -0.60 |