| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.37 | 4.48 | -0.11 |
| Feb | 4.48 | 4.50 | -0.02 |
| Mar | 5.19 | 5.21 | -0.02 |
| Apr | 5.04 | 5.04 | 0.00 |
| May | 4.87 | 4.74 | 0.13 |
| Jun | 4.27 | 4.30 | -0.03 |
| Jul | 3.79 | 3.61 | 0.18 |
| Aug | 3.38 | 3.27 | 0.11 |
| Sep | 3.70 | 3.66 | 0.04 |
| Oct | 4.59 | 4.64 | -0.05 |
| Nov | 4.18 | 4.16 | 0.02 |
| Dec | 5.24 | 5.20 | 0.04 |
53.10 | 52.81 | 0.29 |