| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.44 | 0.00 |
| Feb | 3.42 | 3.44 | -0.02 |
| Mar | 4.89 | 5.12 | -0.23 |
| Apr | 5.27 | 5.74 | -0.47 |
| May | 5.64 | 5.97 | -0.33 |
| Jun | 4.27 | 4.00 | 0.27 |
| Jul | 3.98 | 3.87 | 0.11 |
| Aug | 3.85 | 3.76 | 0.09 |
| Sep | 4.17 | 3.97 | 0.20 |
| Oct | 4.68 | 4.57 | 0.11 |
| Nov | 4.80 | 5.10 | -0.30 |
| Dec | 4.06 | 4.16 | -0.10 |
52.47 | 53.14 | -0.67 |