| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.01 | 0.03 |
| Feb | 1.04 | 1.07 | -0.03 |
| Mar | 1.91 | 1.82 | 0.09 |
| Apr | 3.90 | 3.65 | 0.25 |
| May | 4.63 | 4.50 | 0.13 |
| Jun | 5.85 | 6.04 | -0.19 |
| Jul | 4.51 | 4.17 | 0.34 |
| Aug | 4.26 | 4.19 | 0.07 |
| Sep | 3.63 | 3.56 | 0.07 |
| Oct | 2.74 | 2.66 | 0.08 |
| Nov | 1.87 | 1.76 | 0.11 |
| Dec | 1.32 | 1.32 | 0.00 |
36.70 | 35.75 | 0.95 |