| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.63 | -0.08 |
| Feb | 0.51 | 0.59 | -0.08 |
| Mar | 0.82 | 0.86 | -0.04 |
| Apr | 1.28 | 1.20 | 0.08 |
| May | 2.83 | 2.83 | 0.00 |
| Jun | 4.02 | 3.91 | 0.11 |
| Jul | 3.52 | 3.45 | 0.07 |
| Aug | 2.67 | 2.84 | -0.17 |
| Sep | 2.57 | 2.60 | -0.03 |
| Oct | 1.93 | 2.01 | -0.08 |
| Nov | 0.85 | 0.86 | -0.01 |
| Dec | 0.74 | 0.81 | -0.07 |
22.29 | 22.59 | -0.30 |