| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.00 | 2.14 | -0.14 |
| Feb | 1.86 | 2.05 | -0.19 |
| Mar | 2.24 | 2.25 | -0.01 |
| Apr | 3.68 | 3.76 | -0.08 |
| May | 4.48 | 4.61 | -0.13 |
| Jun | 4.37 | 4.38 | -0.01 |
| Jul | 3.76 | 3.67 | 0.09 |
| Aug | 3.70 | 3.80 | -0.10 |
| Sep | 3.35 | 3.39 | -0.04 |
| Oct | 3.35 | 3.63 | -0.28 |
| Nov | 2.51 | 2.63 | -0.12 |
| Dec | 2.14 | 2.28 | -0.14 |
37.44 | 38.59 | -1.15 |