| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.71 | 9.14 | 0.57 |
| Feb | 9.50 | 9.12 | 0.38 |
| Mar | 6.59 | 6.39 | 0.20 |
| Apr | 3.48 | 3.06 | 0.42 |
| May | 1.51 | 1.67 | -0.16 |
| Jun | 0.42 | 0.45 | -0.03 |
| Jul | 0.02 | 0.02 | 0.00 |
| Aug | 0.05 | 0.09 | -0.04 |
| Sep | 0.17 | 0.19 | -0.02 |
| Oct | 2.10 | 2.11 | -0.01 |
| Nov | 5.32 | 4.86 | 0.46 |
| Dec | 10.26 | 9.84 | 0.42 |
49.13 | 46.94 | 2.19 |