| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.63 | 0.08 |
| Feb | 3.50 | 3.65 | -0.15 |
| Mar | 3.60 | 3.69 | -0.09 |
| Apr | 3.18 | 3.07 | 0.11 |
| May | 3.21 | 3.10 | 0.11 |
| Jun | 5.12 | 5.29 | -0.17 |
| Jul | 5.55 | 5.00 | 0.55 |
| Aug | 5.62 | 5.58 | 0.04 |
| Sep | 4.23 | 4.04 | 0.19 |
| Oct | 3.47 | 3.20 | 0.27 |
| Nov | 2.86 | 2.77 | 0.09 |
| Dec | 3.59 | 3.60 | -0.01 |
47.64 | 46.62 | 1.02 |