| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.76 | 0.04 |
| Feb | 1.23 | 1.19 | 0.04 |
| Mar | 2.25 | 2.21 | 0.04 |
| Apr | 2.82 | 2.80 | 0.02 |
| May | 4.99 | 4.88 | 0.11 |
| Jun | 4.86 | 4.85 | 0.01 |
| Jul | 4.06 | 4.00 | 0.06 |
| Aug | 3.87 | 3.87 | 0.00 |
| Sep | 2.68 | 2.60 | 0.08 |
| Oct | 2.68 | 2.64 | 0.04 |
| Nov | 1.50 | 1.57 | -0.07 |
| Dec | 1.22 | 1.19 | 0.03 |
32.96 | 32.56 | 0.40 |