| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.69 | 0.02 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.52 | 1.50 | 0.02 |
| Apr | 2.63 | 2.64 | -0.01 |
| May | 3.71 | 3.81 | -0.10 |
| Jun | 4.23 | 4.34 | -0.11 |
| Jul | 3.98 | 3.89 | 0.09 |
| Aug | 3.95 | 3.94 | 0.01 |
| Sep | 2.94 | 3.01 | -0.07 |
| Oct | 2.53 | 2.59 | -0.06 |
| Nov | 1.39 | 1.34 | 0.05 |
| Dec | 0.91 | 0.94 | -0.03 |
29.30 | 29.47 | -0.17 |