| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.60 | -0.30 |
| Feb | 1.95 | 2.21 | -0.26 |
| Mar | 2.54 | 2.71 | -0.17 |
| Apr | 3.64 | 3.78 | -0.14 |
| May | 3.58 | 3.72 | -0.14 |
| Jun | 3.78 | 4.11 | -0.33 |
| Jul | 3.56 | 3.83 | -0.27 |
| Aug | 3.45 | 3.40 | 0.05 |
| Sep | 3.15 | 3.23 | -0.08 |
| Oct | 2.89 | 3.11 | -0.22 |
| Nov | 2.66 | 2.82 | -0.16 |
| Dec | 2.28 | 2.68 | -0.40 |
35.78 | 38.20 | -2.42 |