| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.74 | 0.74 | 0.00 |
| Mar | 1.51 | 1.53 | -0.02 |
| Apr | 1.92 | 2.08 | -0.16 |
| May | 3.07 | 3.20 | -0.13 |
| Jun | 3.60 | 3.40 | 0.20 |
| Jul | 2.97 | 2.81 | 0.16 |
| Aug | 2.98 | 3.21 | -0.23 |
| Sep | 1.67 | 1.56 | 0.11 |
| Oct | 1.90 | 1.95 | -0.05 |
| Nov | 0.86 | 0.90 | -0.04 |
| Dec | 0.97 | 1.03 | -0.06 |
22.88 | 23.11 | -0.23 |