| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.08 | 2.15 | -0.07 |
| Feb | 1.91 | 2.04 | -0.13 |
| Mar | 2.57 | 2.70 | -0.13 |
| Apr | 2.46 | 2.47 | -0.01 |
| May | 4.71 | 4.92 | -0.21 |
| Jun | 3.48 | 3.61 | -0.13 |
| Jul | 2.20 | 2.60 | -0.40 |
| Aug | 2.48 | 2.53 | -0.05 |
| Sep | 3.69 | 3.91 | -0.22 |
| Oct | 3.50 | 3.80 | -0.30 |
| Nov | 2.48 | 2.78 | -0.30 |
| Dec | 1.95 | 2.29 | -0.34 |
33.51 | 35.80 | -2.29 |