| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.67 | 0.06 |
| Feb | 0.80 | 0.74 | 0.06 |
| Mar | 1.52 | 1.49 | 0.03 |
| Apr | 2.59 | 2.57 | 0.02 |
| May | 3.67 | 3.70 | -0.03 |
| Jun | 4.22 | 4.36 | -0.14 |
| Jul | 4.03 | 3.86 | 0.17 |
| Aug | 3.90 | 3.88 | 0.02 |
| Sep | 2.89 | 2.99 | -0.10 |
| Oct | 2.60 | 2.66 | -0.06 |
| Nov | 1.38 | 1.34 | 0.04 |
| Dec | 0.90 | 0.90 | 0.00 |
29.23 | 29.16 | 0.07 |