| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.80 | 0.76 | 0.04 |
| Mar | 1.53 | 1.48 | 0.05 |
| Apr | 2.63 | 2.61 | 0.02 |
| May | 3.76 | 3.82 | -0.06 |
| Jun | 4.16 | 4.30 | -0.14 |
| Jul | 4.00 | 3.88 | 0.12 |
| Aug | 3.96 | 3.95 | 0.01 |
| Sep | 2.92 | 3.03 | -0.11 |
| Oct | 2.59 | 2.61 | -0.02 |
| Nov | 1.40 | 1.34 | 0.06 |
| Dec | 0.91 | 0.93 | -0.02 |
29.37 | 29.39 | -0.02 |