| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.50 | 0.04 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 1.40 | 1.23 | 0.17 |
| Apr | 2.27 | 2.10 | 0.17 |
| May | 2.87 | 2.80 | 0.07 |
| Jun | 1.89 | 2.10 | -0.21 |
| Jul | 1.94 | 1.83 | 0.11 |
| Aug | 1.65 | 1.50 | 0.15 |
| Sep | 1.51 | 1.77 | -0.26 |
| Oct | 1.20 | 1.14 | 0.06 |
| Nov | 0.80 | 0.80 | 0.00 |
| Dec | 0.49 | 0.48 | 0.01 |
17.20 | 16.86 | 0.34 |