| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.10 | 0.00 |
| Feb | 3.03 | 2.91 | 0.12 |
| Mar | 3.57 | 3.58 | -0.01 |
| Apr | 3.76 | 3.76 | 0.00 |
| May | 3.84 | 3.60 | 0.24 |
| Jun | 4.22 | 4.26 | -0.04 |
| Jul | 3.95 | 3.71 | 0.24 |
| Aug | 3.90 | 3.71 | 0.19 |
| Sep | 3.77 | 3.62 | 0.15 |
| Oct | 4.88 | 4.73 | 0.15 |
| Nov | 3.81 | 3.54 | 0.27 |
| Dec | 4.06 | 3.96 | 0.10 |
45.89 | 44.48 | 1.41 |