| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.69 | 1.79 | -0.10 |
| Feb | 1.60 | 1.71 | -0.11 |
| Mar | 2.09 | 2.10 | -0.01 |
| Apr | 3.64 | 3.62 | 0.02 |
| May | 4.00 | 4.06 | -0.06 |
| Jun | 4.72 | 4.63 | 0.09 |
| Jul | 3.63 | 3.63 | 0.00 |
| Aug | 3.81 | 3.64 | 0.17 |
| Sep | 3.51 | 3.38 | 0.13 |
| Oct | 2.92 | 2.83 | 0.09 |
| Nov | 2.33 | 2.34 | -0.01 |
| Dec | 1.94 | 1.98 | -0.04 |
35.88 | 35.71 | 0.17 |