| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 2.13 | -0.20 |
| Feb | 2.01 | 2.19 | -0.18 |
| Mar | 2.92 | 3.07 | -0.15 |
| Apr | 4.59 | 4.64 | -0.05 |
| May | 4.87 | 4.97 | -0.10 |
| Jun | 4.41 | 4.58 | -0.17 |
| Jul | 4.36 | 4.34 | 0.02 |
| Aug | 3.71 | 3.88 | -0.17 |
| Sep | 3.94 | 3.98 | -0.04 |
| Oct | 3.51 | 3.50 | 0.01 |
| Nov | 2.81 | 2.88 | -0.07 |
| Dec | 2.04 | 2.14 | -0.10 |
41.10 | 42.30 | -1.20 |