| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.54 | 0.03 |
| Feb | 2.90 | 3.02 | -0.12 |
| Mar | 4.15 | 4.31 | -0.16 |
| Apr | 5.10 | 5.30 | -0.20 |
| May | 5.26 | 5.40 | -0.14 |
| Jun | 4.94 | 5.00 | -0.06 |
| Jul | 4.03 | 4.24 | -0.21 |
| Aug | 3.66 | 3.57 | 0.09 |
| Sep | 3.29 | 3.46 | -0.17 |
| Oct | 3.27 | 3.51 | -0.24 |
| Nov | 3.71 | 3.83 | -0.12 |
| Dec | 3.60 | 3.80 | -0.20 |
47.48 | 48.98 | -1.50 |