| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.70 | 0.03 |
| Feb | 0.83 | 0.86 | -0.03 |
| Mar | 1.19 | 1.12 | 0.07 |
| Apr | 1.61 | 1.54 | 0.07 |
| May | 1.74 | 1.54 | 0.20 |
| Jun | 1.19 | 1.14 | 0.05 |
| Jul | 2.28 | 2.56 | -0.28 |
| Aug | 2.18 | 2.52 | -0.34 |
| Sep | 1.30 | 1.32 | -0.02 |
| Oct | 1.09 | 1.04 | 0.05 |
| Nov | 0.77 | 0.71 | 0.06 |
| Dec | 0.73 | 0.72 | 0.01 |
15.64 | 15.77 | -0.13 |