| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.58 | 6.84 | 0.74 |
| Feb | 6.69 | 6.04 | 0.65 |
| Mar | 6.72 | 6.24 | 0.48 |
| Apr | 4.29 | 4.10 | 0.19 |
| May | 2.08 | 1.89 | 0.19 |
| Jun | 0.83 | 0.86 | -0.03 |
| Jul | 0.14 | 0.22 | -0.08 |
| Aug | 0.19 | 0.18 | 0.01 |
| Sep | 0.70 | 0.67 | 0.03 |
| Oct | 2.74 | 2.44 | 0.30 |
| Nov | 5.56 | 5.07 | 0.49 |
| Dec | 9.15 | 8.42 | 0.73 |
46.67 | 42.97 | 3.70 |