| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.98 | 6.73 | -0.75 |
| Feb | 5.12 | 5.75 | -0.63 |
| Mar | 4.74 | 5.27 | -0.53 |
| Apr | 2.50 | 2.95 | -0.45 |
| May | 1.21 | 1.66 | -0.45 |
| Jun | 0.35 | 0.49 | -0.14 |
| Jul | 0.04 | 0.15 | -0.11 |
| Aug | 0.04 | 0.08 | -0.04 |
| Sep | 0.24 | 0.23 | 0.01 |
| Oct | 1.53 | 1.77 | -0.24 |
| Nov | 2.60 | 2.84 | -0.24 |
| Dec | 4.94 | 5.65 | -0.71 |
29.29 | 33.57 | -4.28 |