| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 4.33 | -0.59 |
| Feb | 2.95 | 3.42 | -0.47 |
| Mar | 2.85 | 3.62 | -0.77 |
| Apr | 2.60 | 2.98 | -0.38 |
| May | 2.50 | 2.84 | -0.34 |
| Jun | 2.20 | 2.35 | -0.15 |
| Jul | 0.71 | 0.76 | -0.05 |
| Aug | 0.72 | 0.72 | 0.00 |
| Sep | 1.04 | 1.26 | -0.22 |
| Oct | 2.48 | 2.73 | -0.25 |
| Nov | 3.71 | 4.20 | -0.49 |
| Dec | 3.83 | 4.56 | -0.73 |
29.33 | 33.77 | -4.44 |