| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.37 | -0.16 |
| Feb | 2.53 | 2.59 | -0.06 |
| Mar | 3.28 | 3.30 | -0.02 |
| Apr | 3.19 | 3.23 | -0.04 |
| May | 4.37 | 4.37 | 0.00 |
| Jun | 3.93 | 3.81 | 0.12 |
| Jul | 2.26 | 2.26 | 0.00 |
| Aug | 2.45 | 2.43 | 0.02 |
| Sep | 3.18 | 2.95 | 0.23 |
| Oct | 4.43 | 4.17 | 0.26 |
| Nov | 2.65 | 2.76 | -0.11 |
| Dec | 2.63 | 2.90 | -0.27 |
37.11 | 37.14 | -0.03 |