| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.76 | 0.04 |
| Feb | 1.16 | 1.15 | 0.01 |
| Mar | 2.26 | 2.23 | 0.03 |
| Apr | 2.58 | 2.56 | 0.02 |
| May | 4.90 | 4.65 | 0.25 |
| Jun | 4.48 | 4.46 | 0.02 |
| Jul | 3.66 | 3.86 | -0.20 |
| Aug | 3.68 | 3.68 | 0.00 |
| Sep | 2.34 | 2.30 | 0.04 |
| Oct | 2.63 | 2.54 | 0.09 |
| Nov | 1.37 | 1.29 | 0.08 |
| Dec | 1.18 | 1.16 | 0.02 |
31.04 | 30.64 | 0.40 |