| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.09 | 5.43 | -0.34 |
| Feb | 3.52 | 3.79 | -0.27 |
| Mar | 3.95 | 4.14 | -0.19 |
| Apr | 2.92 | 3.03 | -0.11 |
| May | 1.89 | 1.94 | -0.05 |
| Jun | 1.45 | 1.50 | -0.05 |
| Jul | 0.66 | 0.64 | 0.02 |
| Aug | 0.92 | 0.88 | 0.04 |
| Sep | 1.50 | 1.54 | -0.04 |
| Oct | 3.57 | 3.78 | -0.21 |
| Nov | 5.59 | 5.93 | -0.34 |
| Dec | 5.36 | 5.78 | -0.42 |
36.42 | 38.38 | -1.96 |