| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.15 | -0.06 |
| Feb | 1.90 | 1.95 | -0.05 |
| Mar | 2.57 | 2.65 | -0.08 |
| Apr | 2.45 | 2.47 | -0.02 |
| May | 4.79 | 4.80 | -0.01 |
| Jun | 3.53 | 3.48 | 0.05 |
| Jul | 2.17 | 2.51 | -0.34 |
| Aug | 2.44 | 2.68 | -0.24 |
| Sep | 3.67 | 3.86 | -0.19 |
| Oct | 3.48 | 3.74 | -0.26 |
| Nov | 2.52 | 2.75 | -0.23 |
| Dec | 1.98 | 2.22 | -0.24 |
33.59 | 35.26 | -1.67 |