| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.67 | 0.03 |
| Feb | 0.97 | 0.95 | 0.02 |
| Mar | 1.67 | 1.71 | -0.04 |
| Apr | 2.79 | 2.79 | 0.00 |
| May | 4.61 | 4.55 | 0.06 |
| Jun | 4.15 | 4.22 | -0.07 |
| Jul | 4.29 | 4.48 | -0.19 |
| Aug | 3.87 | 3.73 | 0.14 |
| Sep | 2.88 | 2.94 | -0.06 |
| Oct | 2.11 | 2.13 | -0.02 |
| Nov | 1.32 | 1.33 | -0.01 |
| Dec | 1.03 | 0.98 | 0.05 |
30.39 | 30.48 | -0.09 |