| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.71 | -0.12 |
| Feb | 0.56 | 0.72 | -0.16 |
| Mar | 0.90 | 1.20 | -0.30 |
| Apr | 0.85 | 0.88 | -0.03 |
| May | 1.73 | 1.89 | -0.16 |
| Jun | 1.82 | 2.11 | -0.29 |
| Jul | 1.92 | 2.20 | -0.28 |
| Aug | 1.96 | 1.93 | 0.03 |
| Sep | 2.50 | 2.70 | -0.20 |
| Oct | 1.35 | 1.67 | -0.32 |
| Nov | 0.74 | 0.88 | -0.14 |
| Dec | 0.60 | 0.77 | -0.17 |
15.52 | 17.66 | -2.14 |