| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.80 | -0.08 |
| Feb | 1.67 | 1.72 | -0.05 |
| Mar | 2.15 | 2.11 | 0.04 |
| Apr | 3.61 | 3.66 | -0.05 |
| May | 4.02 | 4.05 | -0.03 |
| Jun | 4.50 | 4.50 | 0.00 |
| Jul | 3.57 | 3.58 | -0.01 |
| Aug | 3.69 | 3.52 | 0.17 |
| Sep | 3.43 | 3.40 | 0.03 |
| Oct | 2.97 | 2.86 | 0.11 |
| Nov | 2.33 | 2.34 | -0.01 |
| Dec | 1.93 | 1.96 | -0.03 |
35.59 | 35.50 | 0.09 |