| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.78 | -0.13 |
| Feb | 0.85 | 1.03 | -0.18 |
| Mar | 1.74 | 1.93 | -0.19 |
| Apr | 2.56 | 2.89 | -0.33 |
| May | 2.76 | 3.25 | -0.49 |
| Jun | 1.86 | 2.11 | -0.25 |
| Jul | 1.77 | 1.74 | 0.03 |
| Aug | 1.67 | 1.72 | -0.05 |
| Sep | 1.53 | 2.03 | -0.50 |
| Oct | 1.36 | 1.62 | -0.26 |
| Nov | 1.00 | 1.08 | -0.08 |
| Dec | 0.65 | 0.82 | -0.17 |
18.40 | 21.00 | -2.60 |