| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.83 | 0.06 |
| Feb | 2.93 | 3.01 | -0.08 |
| Mar | 3.54 | 3.53 | 0.01 |
| Apr | 4.00 | 3.93 | 0.07 |
| May | 5.06 | 5.01 | 0.05 |
| Jun | 5.20 | 5.01 | 0.19 |
| Jul | 4.00 | 3.93 | 0.07 |
| Aug | 4.76 | 4.84 | -0.08 |
| Sep | 4.64 | 4.83 | -0.19 |
| Oct | 4.95 | 4.80 | 0.15 |
| Nov | 4.26 | 4.27 | -0.01 |
| Dec | 3.94 | 3.98 | -0.04 |
51.17 | 50.97 | 0.20 |