| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.08 | 2.27 | -0.19 |
| Feb | 2.05 | 2.27 | -0.22 |
| Mar | 3.03 | 3.10 | -0.07 |
| Apr | 4.72 | 4.90 | -0.18 |
| May | 5.00 | 4.80 | 0.20 |
| Jun | 4.36 | 4.36 | 0.00 |
| Jul | 4.29 | 4.15 | 0.14 |
| Aug | 3.86 | 3.91 | -0.05 |
| Sep | 4.05 | 4.04 | 0.01 |
| Oct | 3.58 | 3.56 | 0.02 |
| Nov | 2.93 | 3.01 | -0.08 |
| Dec | 2.18 | 2.28 | -0.10 |
42.13 | 42.65 | -0.52 |