| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.63 | 0.01 |
| Feb | 1.60 | 1.57 | 0.03 |
| Mar | 1.98 | 1.92 | 0.06 |
| Apr | 3.65 | 3.66 | -0.01 |
| May | 3.98 | 3.95 | 0.03 |
| Jun | 4.65 | 4.72 | -0.07 |
| Jul | 3.84 | 3.81 | 0.03 |
| Aug | 3.80 | 3.90 | -0.10 |
| Sep | 3.29 | 3.15 | 0.14 |
| Oct | 2.86 | 2.77 | 0.09 |
| Nov | 2.15 | 2.09 | 0.06 |
| Dec | 1.84 | 1.89 | -0.05 |
35.28 | 35.06 | 0.22 |