| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.33 | 0.06 |
| Feb | 2.76 | 2.79 | -0.03 |
| Mar | 4.20 | 4.24 | -0.04 |
| Apr | 3.72 | 3.68 | 0.04 |
| May | 3.95 | 4.14 | -0.19 |
| Jun | 4.50 | 4.27 | 0.23 |
| Jul | 4.70 | 4.62 | 0.08 |
| Aug | 4.20 | 4.18 | 0.02 |
| Sep | 4.89 | 4.89 | 0.00 |
| Oct | 4.20 | 4.46 | -0.26 |
| Nov | 3.42 | 3.40 | 0.02 |
| Dec | 3.93 | 4.02 | -0.09 |
47.86 | 48.02 | -0.16 |