| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.38 | 1.52 | -0.14 |
| Feb | 1.38 | 1.57 | -0.19 |
| Mar | 2.11 | 2.15 | -0.04 |
| Apr | 3.64 | 3.81 | -0.17 |
| May | 4.17 | 4.30 | -0.13 |
| Jun | 5.37 | 5.35 | 0.02 |
| Jul | 4.35 | 4.47 | -0.12 |
| Aug | 4.04 | 4.11 | -0.07 |
| Sep | 3.57 | 3.50 | 0.07 |
| Oct | 2.86 | 2.86 | 0.00 |
| Nov | 2.19 | 2.21 | -0.02 |
| Dec | 1.57 | 1.75 | -0.18 |
36.63 | 37.60 | -0.97 |