| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.48 | -0.10 |
| Feb | 3.16 | 3.28 | -0.12 |
| Mar | 4.14 | 4.23 | -0.09 |
| Apr | 4.20 | 4.09 | 0.11 |
| May | 3.62 | 3.54 | 0.08 |
| Jun | 4.15 | 4.17 | -0.02 |
| Jul | 3.61 | 3.64 | -0.03 |
| Aug | 3.70 | 3.89 | -0.19 |
| Sep | 4.00 | 3.82 | 0.18 |
| Oct | 4.70 | 4.80 | -0.10 |
| Nov | 3.80 | 3.71 | 0.09 |
| Dec | 4.22 | 4.50 | -0.28 |
46.68 | 47.15 | -0.47 |