| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.58 | 0.04 |
| Feb | 2.90 | 2.82 | 0.08 |
| Mar | 3.57 | 3.62 | -0.05 |
| Apr | 3.32 | 3.37 | -0.05 |
| May | 4.67 | 4.62 | 0.05 |
| Jun | 3.88 | 3.86 | 0.02 |
| Jul | 1.93 | 2.05 | -0.12 |
| Aug | 2.29 | 2.26 | 0.03 |
| Sep | 3.06 | 3.20 | -0.14 |
| Oct | 4.63 | 4.71 | -0.08 |
| Nov | 2.92 | 3.05 | -0.13 |
| Dec | 3.13 | 3.16 | -0.03 |
38.92 | 39.30 | -0.38 |