| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 2.70 | 0.23 |
| Feb | 2.34 | 2.44 | -0.10 |
| Mar | 2.73 | 2.70 | 0.03 |
| Apr | 3.27 | 3.35 | -0.08 |
| May | 4.15 | 3.95 | 0.20 |
| Jun | 4.53 | 4.47 | 0.06 |
| Jul | 4.52 | 4.40 | 0.12 |
| Aug | 4.12 | 4.23 | -0.11 |
| Sep | 3.76 | 3.64 | 0.12 |
| Oct | 4.38 | 4.49 | -0.11 |
| Nov | 3.22 | 3.29 | -0.07 |
| Dec | 3.49 | 3.67 | -0.18 |
43.44 | 43.33 | 0.11 |