| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.77 | 4.13 | 0.64 |
| Feb | 3.32 | 2.80 | 0.52 |
| Mar | 3.29 | 2.75 | 0.54 |
| Apr | 2.57 | 2.37 | 0.20 |
| May | 1.90 | 1.62 | 0.28 |
| Jun | 1.00 | 0.97 | 0.03 |
| Jul | 0.36 | 0.39 | -0.03 |
| Aug | 0.34 | 0.32 | 0.02 |
| Sep | 0.70 | 0.66 | 0.04 |
| Oct | 2.20 | 1.91 | 0.29 |
| Nov | 4.37 | 4.14 | 0.23 |
| Dec | 5.78 | 5.61 | 0.17 |
30.60 | 27.67 | 2.93 |