| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.47 | 0.08 |
| Feb | 0.52 | 0.51 | 0.01 |
| Mar | 0.66 | 0.62 | 0.04 |
| Apr | 0.61 | 0.65 | -0.04 |
| May | 0.49 | 0.50 | -0.01 |
| Jun | 0.56 | 0.59 | -0.03 |
| Jul | 1.76 | 1.88 | -0.12 |
| Aug | 1.77 | 1.72 | 0.05 |
| Sep | 1.23 | 1.29 | -0.06 |
| Oct | 1.04 | 1.14 | -0.10 |
| Nov | 0.73 | 0.69 | 0.04 |
| Dec | 0.74 | 0.75 | -0.01 |
10.66 | 10.81 | -0.15 |