| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.15 | 7.10 | 0.05 |
| Feb | 6.49 | 6.23 | 0.26 |
| Mar | 6.11 | 5.90 | 0.21 |
| Apr | 3.40 | 3.42 | -0.02 |
| May | 1.97 | 2.05 | -0.08 |
| Jun | 0.49 | 0.57 | -0.08 |
| Jul | 0.02 | 0.04 | -0.02 |
| Aug | 0.04 | 0.03 | 0.01 |
| Sep | 0.28 | 0.28 | 0.00 |
| Oct | 1.99 | 1.86 | 0.13 |
| Nov | 3.88 | 3.72 | 0.16 |
| Dec | 6.76 | 6.46 | 0.30 |
38.58 | 37.66 | 0.92 |