| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.83 | -0.15 |
| Feb | 1.65 | 1.80 | -0.15 |
| Mar | 2.17 | 2.18 | -0.01 |
| Apr | 3.65 | 3.66 | -0.01 |
| May | 4.22 | 4.22 | 0.00 |
| Jun | 4.86 | 4.83 | 0.03 |
| Jul | 3.71 | 3.59 | 0.12 |
| Aug | 3.88 | 3.74 | 0.14 |
| Sep | 3.57 | 3.59 | -0.02 |
| Oct | 2.97 | 2.92 | 0.05 |
| Nov | 2.36 | 2.44 | -0.08 |
| Dec | 2.00 | 2.06 | -0.06 |
36.72 | 36.86 | -0.14 |