| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 4.10 | -0.49 |
| Feb | 3.15 | 3.65 | -0.50 |
| Mar | 4.14 | 4.87 | -0.73 |
| Apr | 3.91 | 4.25 | -0.34 |
| May | 3.25 | 3.19 | 0.06 |
| Jun | 3.12 | 2.86 | 0.26 |
| Jul | 2.40 | 2.47 | -0.07 |
| Aug | 3.26 | 3.12 | 0.14 |
| Sep | 3.83 | 3.87 | -0.04 |
| Oct | 4.37 | 4.59 | -0.22 |
| Nov | 3.93 | 4.13 | -0.20 |
| Dec | 4.30 | 4.93 | -0.63 |
43.27 | 46.03 | -2.76 |