| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.80 | -0.14 |
| Feb | 1.58 | 1.72 | -0.14 |
| Mar | 2.08 | 2.15 | -0.07 |
| Apr | 3.71 | 3.89 | -0.18 |
| May | 3.74 | 3.81 | -0.07 |
| Jun | 4.17 | 4.30 | -0.13 |
| Jul | 3.29 | 3.34 | -0.05 |
| Aug | 3.57 | 3.52 | 0.05 |
| Sep | 3.26 | 3.15 | 0.11 |
| Oct | 2.93 | 3.03 | -0.10 |
| Nov | 2.22 | 2.27 | -0.05 |
| Dec | 1.89 | 1.95 | -0.06 |
34.10 | 34.93 | -0.83 |