| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.77 | -0.09 |
| Feb | 0.76 | 0.89 | -0.13 |
| Mar | 1.50 | 1.58 | -0.08 |
| Apr | 2.88 | 2.96 | -0.08 |
| May | 4.01 | 3.86 | 0.15 |
| Jun | 4.86 | 4.96 | -0.10 |
| Jul | 3.71 | 3.55 | 0.16 |
| Aug | 3.52 | 3.42 | 0.10 |
| Sep | 3.33 | 3.37 | -0.04 |
| Oct | 2.24 | 2.22 | 0.02 |
| Nov | 1.25 | 1.26 | -0.01 |
| Dec | 0.83 | 1.06 | -0.23 |
29.57 | 29.90 | -0.33 |