| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.01 | -0.10 |
| Feb | 2.88 | 2.90 | -0.02 |
| Mar | 3.31 | 3.51 | -0.20 |
| Apr | 3.53 | 3.71 | -0.18 |
| May | 3.65 | 3.40 | 0.25 |
| Jun | 4.07 | 4.02 | 0.05 |
| Jul | 3.81 | 3.63 | 0.18 |
| Aug | 3.84 | 3.65 | 0.19 |
| Sep | 3.64 | 3.48 | 0.16 |
| Oct | 4.56 | 4.66 | -0.10 |
| Nov | 3.52 | 3.57 | -0.05 |
| Dec | 3.82 | 4.05 | -0.23 |
43.54 | 43.59 | -0.05 |