| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.61 | -0.04 |
| Feb | 0.68 | 0.75 | -0.07 |
| Mar | 1.38 | 1.58 | -0.20 |
| Apr | 2.16 | 2.50 | -0.34 |
| May | 2.50 | 2.59 | -0.09 |
| Jun | 1.73 | 1.80 | -0.07 |
| Jul | 1.88 | 1.89 | -0.01 |
| Aug | 1.86 | 1.90 | -0.04 |
| Sep | 1.34 | 1.42 | -0.08 |
| Oct | 1.21 | 1.33 | -0.12 |
| Nov | 0.86 | 1.01 | -0.15 |
| Dec | 0.60 | 0.75 | -0.15 |
16.77 | 18.13 | -1.36 |